This guide is derived and condensed from Danziger's Hypericum Cultivation Description. We highly recommend reading it in its entirety, as it contains essential growing information. Danziger is the breeder of our Gypsophila, Veronica Skyler, Glory Solidago, and Scoop Scabiosa.
| Common Name | Hypericum (aka St. John's Wort) |
| Genus | Hypericum |
| Species | various |
| Family | Clusiaceae / Guttiferae |
| Life Cycle | Can be annual or perennial, shrub or deciduous tree. |
| Tray Size | 50 (Half Tray) |
| Plug Care | Harden off for the field, or transplant right away into a tunnel. If you cannot transplant, bump up to larger pots. During the first ten days after transplant (establishment stage), overhead irrigation should be used and can be supplemented with drip irrigation and fertilizer. |
| Netting / Staking | Support netting is recommended. 30% shade cloth can be used in summer to protect berries and foliage from discoloration. This may not be necessary. |
| Temperature Range | Ideal temperature range is 75-80F daytime. 55-60F night. They are adaptable outside of this range. |
| Spacing | 9" |
| Soil Preference | All types of drained soils and on detached medias. |
| Day Length | |
| Pinching | Pinching to a minimum of 7-10 internodes from the plant’s base (at least a month after planting), allowing growth of side stems. |
| When to Plant | Late spring or Early Fall |
| Harvesting | Harvest when berries are ripe and colored. Cut back to just a couple of inches, to allow them to regrow. |
| Post Harvest Care | |
| Diseases / Insects | Rust can be an issue in very humid conditions. |
| Bailey's Notes | |
| Resources |
Danziger Hypericum Culture Guide
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